We can come to the conclusion that the murderer of the fourth Qiping in the Di Gong case is Teng Kan. In the original work of 'The Case of Di Gong', Teng Kan killed Yin Lian. In addition, there were other murderers involved in the Four Painted Screens Case, including Li Han who killed Xu Kai. Therefore, Teng Kan was the real murderer of the Four Lacquer Screens Case.
The murderers of the first case of the Great Tang's Duke Di Case were Zhangsun Qing, Wei Wuji, and Empress Wu. A series of conflicts occurred between these three people. Zhangsun Qing and Wei Wuji both wanted to depose the Empress by creating rumors, and in order to eliminate them, Empress Wu took the action of killing the palace guards and assassins. In the end, Empress Wu successfully schemed against Zhangsun Qing and Wei Wuji. From the information provided, the three people on the poster were considered the murderers. Thus, the murderers of the first case of Duke Di of the Great Tang were Zhangsun Qing, Wei Wuji, and Empress Wu.
The murderer of the fourth case of Duke Di of Tang was Teng Kan.
The murderer of the second case of Duke Di of Tang was Teng Kan.
We can learn about the murderers of several cases in the "Da Tang Di Gong Case". In the Phoenix Seal Case, the murderer was Di Renjie's teacher, Wei Wuji. In the Screen Case, the murderer was Teng Kan. In the Golden Case, the murderer was Hou Yu. However, the information provided did not include the information of the murderers in all the cases, so it was impossible to give the names of the murderers in all the cases.
The murderer of the Skylark Chirping Case in " Da Tang Di Gong Case " was Black Flame, which was Lin Fan. Lin Fan created the massacre of the villagers of Tongkang Village. His goal was to take revenge and create chaos in the world. However, Di Renjie successfully stopped his plan.
The real murderer of the Tang Dynasty's 'Skylark Chirping' case was Hei Yan, who was also Lin Fan.
The murderer of the Great Tang's Di Gong Case was Han Yongnan.
He was the murderer of several cases in the "Great Tang Di Gong Case". In " The Rain Master Case," the murderers were Zhangsun Qing and Wei Wuji. They wanted to achieve their goals through rumors. In the Phoenix Seal Case, the murderer was Di Renjie's teacher, Wei Wuji. In the Screen Case, the murderer was Teng Kan. In the Golden Mystery Case, the murderer was Hou Yu. No information was provided on the murderers of the other cases. Therefore, we can confirm that there are at least four murderers in the case of Duke Di of Tang.
The Di case referred to the four difficult cases that Di Renjie had solved during Wu Zetian's reign. These four cases were the murder of the silk traveler in Liulidun, the unjust death of Bi Shun in Huanghua Town, the death of Hua Guoxiang's daughter-in-law by snake venom, and the case of the monk Huaiyi raping the White Horse Temple and kidnapping a girl. These cases were solved with the help of Di Renjie's wisdom and wisdom. Wu Zetian's Four Strange Case was a Qing Dynasty anonymous novel that depicted Di Renjie's story in the process of solving these cases. The novel attracted the attention of readers with its confusing and thrilling plot.
" The Golden Case " was a detective and mystery novel with Di Renjie as the main character. It was written by the Dutch sinologist, Gulik van Gulik. This novel was adapted from ancient Chinese detective novels and told the story of Di Renjie's investigation of cases during the Tang Dynasty. Although this novel did not reach the status of a world famous detective work, it was considered a good novel. In " The Golden Case," Di Renjie investigated the cause of County Magistrate Wang's death and mentioned the crime of poison leaking from the ceiling into the tea stove. This story was not created by Gulik in ancient Chinese detective novels, but was adapted many times. As for the commentary version of " The Golden Case of Duke Di ", there was currently a limited online listening time for the long commentary " The Golden Case of Duke Di ".